diff options
| author | LIU Zhiwei <zhiwei_liu@c-sky.com> | 2022-01-20 20:20:31 +0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2022-01-21 15:52:57 +1000 |
| commit | 40f0c2046c490ef4b8bed4ca628620ab8a2bdf87 (patch) | |
| tree | 325176fe757fb2e0b597ce75c0b02456b030ca65 /target/riscv/insn_trans | |
| parent | a14db52f7fa9f6843d1806e8d4cd56f3410bb59d (diff) | |
target/riscv: Sign extend pc for different XLEN
When pc is written, it is sign-extended to fill the widest supported XLEN.
Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220120122050.41546-5-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target/riscv/insn_trans')
| -rw-r--r-- | target/riscv/insn_trans/trans_privileged.c.inc | 2 | ||||
| -rw-r--r-- | target/riscv/insn_trans/trans_rvi.c.inc | 5 | ||||
| -rw-r--r-- | target/riscv/insn_trans/trans_rvv.c.inc | 4 |
3 files changed, 6 insertions, 5 deletions
diff --git a/target/riscv/insn_trans/trans_privileged.c.inc b/target/riscv/insn_trans/trans_privileged.c.inc index 6077bbbf11..53613682e8 100644 --- a/target/riscv/insn_trans/trans_privileged.c.inc +++ b/target/riscv/insn_trans/trans_privileged.c.inc @@ -102,7 +102,7 @@ static bool trans_mret(DisasContext *ctx, arg_mret *a) static bool trans_wfi(DisasContext *ctx, arg_wfi *a) { #ifndef CONFIG_USER_ONLY - tcg_gen_movi_tl(cpu_pc, ctx->pc_succ_insn); + gen_set_pc_imm(ctx, ctx->pc_succ_insn); gen_helper_wfi(cpu_env); return true; #else diff --git a/target/riscv/insn_trans/trans_rvi.c.inc b/target/riscv/insn_trans/trans_rvi.c.inc index b9ba57f266..04d3ea237f 100644 --- a/target/riscv/insn_trans/trans_rvi.c.inc +++ b/target/riscv/insn_trans/trans_rvi.c.inc @@ -59,6 +59,7 @@ static bool trans_jalr(DisasContext *ctx, arg_jalr *a) tcg_gen_addi_tl(cpu_pc, get_gpr(ctx, a->rs1, EXT_NONE), a->imm); tcg_gen_andi_tl(cpu_pc, cpu_pc, (target_ulong)-2); + gen_set_pc(ctx, cpu_pc); if (!has_ext(ctx, RVC)) { TCGv t0 = tcg_temp_new(); @@ -827,7 +828,7 @@ static bool trans_fence_i(DisasContext *ctx, arg_fence_i *a) * FENCE_I is a no-op in QEMU, * however we need to end the translation block */ - tcg_gen_movi_tl(cpu_pc, ctx->pc_succ_insn); + gen_set_pc_imm(ctx, ctx->pc_succ_insn); tcg_gen_exit_tb(NULL, 0); ctx->base.is_jmp = DISAS_NORETURN; return true; @@ -836,7 +837,7 @@ static bool trans_fence_i(DisasContext *ctx, arg_fence_i *a) static bool do_csr_post(DisasContext *ctx) { /* We may have changed important cpu state -- exit to main loop. */ - tcg_gen_movi_tl(cpu_pc, ctx->pc_succ_insn); + gen_set_pc_imm(ctx, ctx->pc_succ_insn); tcg_gen_exit_tb(NULL, 0); ctx->base.is_jmp = DISAS_NORETURN; return true; diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc index 7a040b3089..e03959c46f 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -194,7 +194,7 @@ static bool do_vsetvl(DisasContext *s, int rd, int rs1, TCGv s2) gen_set_gpr(s, rd, dst); mark_vs_dirty(s); - tcg_gen_movi_tl(cpu_pc, s->pc_succ_insn); + gen_set_pc_imm(s, s->pc_succ_insn); tcg_gen_lookup_and_goto_ptr(); s->base.is_jmp = DISAS_NORETURN; @@ -219,7 +219,7 @@ static bool do_vsetivli(DisasContext *s, int rd, TCGv s1, TCGv s2) gen_helper_vsetvl(dst, cpu_env, s1, s2); gen_set_gpr(s, rd, dst); mark_vs_dirty(s); - tcg_gen_movi_tl(cpu_pc, s->pc_succ_insn); + gen_set_pc_imm(s, s->pc_succ_insn); tcg_gen_lookup_and_goto_ptr(); s->base.is_jmp = DISAS_NORETURN; |